<template>
  <div class="container">
    <el-form :model="ruleForm" :rules="rules" ref="myForm" label-width="100px">
      <el-form-item label="活动名称" prop="name">
        <el-input v-model="ruleForm.name"></el-input>
      </el-form-item>
      <el-form-item label="活动区域" prop="region">
        <el-select v-model="ruleForm.region" placeholder="请选择活动区域">
          <el-option label="区域一" value="shanghai"></el-option>
          <el-option label="区域二" value="beijing"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="活动时间" required>
        <el-col :span="11">
          <el-form-item prop="date1">
            <el-date-picker type="date" placeholder="选择日期" v-model="ruleForm.date1"
                            style="width: 100%;"></el-date-picker>
          </el-form-item>
        </el-col>
        <el-col class="line" :span="2">-</el-col>
        <el-col :span="11">
          <el-form-item prop="date2">
            <el-time-picker placeholder="选择时间" v-model="ruleForm.date2" style="width: 100%;"></el-time-picker>
          </el-form-item>
        </el-col>
      </el-form-item>
      <el-form-item label="即时配送" prop="delivery">
        <el-switch v-model="ruleForm.delivery"></el-switch>
      </el-form-item>
      <el-form-item label="活动性质" prop="type">
        <el-checkbox-group v-model="ruleForm.type">
          <el-checkbox label="美食/餐厅线上活动" name="type"></el-checkbox>
          <el-checkbox label="地推活动" name="type"></el-checkbox>
          <el-checkbox label="线下主题活动" name="type"></el-checkbox>
          <el-checkbox label="单纯品牌曝光" name="type"></el-checkbox>
        </el-checkbox-group>
      </el-form-item>
      <el-form-item label="特殊资源" prop="resource">
        <el-radio-group v-model="ruleForm.resource">
          <el-radio label="线上品牌商赞助"></el-radio>
          <el-radio label="线下场地免费"></el-radio>
        </el-radio-group>
      </el-form-item>
      <el-form-item label="活动形式" prop="desc">
        <el-input type="textarea" v-model="ruleForm.desc"></el-input>
      </el-form-item>
      <el-form-item label="上传" prop="file">
        <el-upload
            class="upload-demo"
            ref="upload"
            :multiple=false
            limit="1"
            action=""
            :on-preview="handlePreview"
            :on-remove="handleRemove"
            :file-list="fileList"
            :auto-upload="false">
          <el-button slot="trigger" size="small" type="primary">选取文件</el-button>
        </el-upload>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="submitForm('ruleFormRef')">立即创建</el-button>
        <el-button @click="resetForm('ruleFormRef')">重置</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script setup>
import {ref} from 'vue';
import {ElMessage} from "element-plus";

const ruleForm = ref({
  name: '',
  region: '',
  date1: '',
  date2: '',
  delivery: false,
  type: [],
  resource: '',
  desc: ''
});

const rules = ref({
  name: [
    {required: true, message: '请输入活动名称', trigger: 'blur'},
    {min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur'}
  ],
  region: [
    {required: true, message: '请选择活动区域', trigger: 'change'}
  ],
  date1: [
    {type: 'date', required: true, message: '请选择日期', trigger: 'change'}
  ],
  date2: [
    {type: 'date', required: true, message: '请选择时间', trigger: 'change'}
  ],
  type: [
    {type: 'array', required: true, message: '请至少选择一个活动性质', trigger: 'change'}
  ],
  resource: [
    {required: true, message: '请选择活动资源', trigger: 'change'}
  ],
  file: [
    {required: true, message: '请选择文件', trigger: 'blur'}
  ]
});


//在vue3中，form组件的model属性与ref属性的名字不能相同，否则会出现异常
const myForm = ref(null);

const submitForm = () => {
  myForm.value.validate((valid) => {
    if (valid) {
      ElMessage.success('Submit success!');
    } else {
      ElMessage.error('Validation failed!');
      return false;
    }
  });
};

</script>

<style scoped>
.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.el-form {
  background-color: #fff;
  padding: 20px;
  border-radius: 5px;
}
</style>
